8291140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 20659968

約数和(自身を除く): 12368828

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 223, 260, 286, 338, 446, 572, 676, 715, 845, 892, 1115, 1430, 1690, 1859, 2230, 2453, 2860, 2899, 3380, 3718, 4460, 4906, 5798, 7436, 9295, 9812, 11596, 12265, 14495, 18590, 24530, 28990, 31889, 37180, 37687, 49060, 57980, 63778, 75374, 127556, 150748, 159445, 188435, 318890, 376870, 414557, 637780, 753740, 829114, 1658228, 2072785, 4145570, 8291140]

約数ペア:

[(1, 8291140), (2, 4145570), (4, 2072785), (5, 1658228), (10, 829114), (11, 753740), (13, 637780), (20, 414557), (22, 376870), (26, 318890), (44, 188435), (52, 159445), (55, 150748), (65, 127556), (110, 75374), (130, 63778), (143, 57980), (169, 49060), (220, 37687), (223, 37180), (260, 31889), (286, 28990), (338, 24530), (446, 18590), (572, 14495), (676, 12265), (715, 11596), (845, 9812), (892, 9295), (1115, 7436), (1430, 5798), (1690, 4906), (1859, 4460), (2230, 3718), (2453, 3380), (2860, 2899)]